42602644547 has 2 divisors, whose sum is σ = 42602644548. Its totient is φ = 42602644546.

The previous prime is 42602644541. The next prime is 42602644571. The reversal of 42602644547 is 74544620624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42602644547 - 2¹⁶ = 42602579011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42602644498 and 42602644507.

It is not a weakly prime, because it can be changed into another prime (42602644541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21301322273 + 21301322274.

It is an arithmetic number, because the mean of its divisors is an integer number (21301322274).

Almost surely, 2^42602644547 is an apocalyptic number.

42602644547 is a deficient number, since it is larger than the sum of its proper divisors (1).

42602644547 is an equidigital number, since it uses as much as digits as its factorization.

42602644547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 44.

The spelling of 42602644547 in words is "forty-two billion, six hundred two million, six hundred forty-four thousand, five hundred forty-seven".